As of December 2021, Delhi was transferred to the Eastern Naval Command to replace the ageing Rajput-class destroyers and form the future Carrier Battle Group of INS Vikrant.

She inherits the mantle from the Leander-class cruiser of the same name, previously HMS Achilles of Battle of the River Plate fame.

The electronics warfare system will be upgraded to Ellora Mk II, with Kavach decoy launchers.

On 6 May 2024, the flotilla reached Singapore for a three day visit as a part of operational deployment of the Navy's Eastern Fleet to the South China Sea.

"[16] On 23 May, the flotilla completed its visit to Philippines which was a part of the Operational Deployment of the Eastern fleet to the South China Sea.